SBAU431
July 2024
ADS1282
1
Description
Get Started
Features
Applications
6
1
Evaluation Module Overview
1.1
Introduction
1.2
Performance Development Kit Contents
1.3
Specifications
1.4
Device Information
2
Hardware
2.1
EVM Analog Input Options
2.2
Common-Mode Amplifier
2.3
Analog Input 1 Circuit
2.4
Analog Input 2 Amplifier
2.5
Voltage Reference
2.6
ADC Connections and Decoupling
2.7
Power Supplies
2.8
Low Dropout Regulators (LDO)
2.9
Flip-Flop/SYNC Circuit
2.10
Clocking
2.11
Serial Interface
2.12
EEPROM
3
Software
3.1
Software Description
3.2
ADS1282 EVM Software Installation
4
Implementation Results
4.1
EVM Operation
4.1.1
Evaluation Setup
4.1.2
EVM Register Settings
4.1.2.1
Channel Configuration
4.1.2.2
PGA Gain Selection
4.1.2.3
Data Rate Configuration
4.1.3
Time Domain Display
4.1.4
Spectral Analysis Display
4.1.5
Histogram Analysis Display
5
Hardware Design Files
5.1
Schematics
5.2
PCB Layouts
5.3
Bill of Materials (BOM)
6
Additional Information
6.1
Trademarks
7
Related Documentation
7.1
Supplemental Content
Features
High resolution: 130dB SNR (250SPS)
High accuracy: THD: –122dB, INL: 0.5ppm
Low-noise PGA
Two-channel input mux
Inherently-stable modulator with fast responding overrange detection
Flexible digital filter:
Sinc + FIR + IIR (selectable)
Linear or minimum phase response
Programmable high-pass filter
Selectable FIR data rates: 250SPS to 4kSPS
Filter bypass option
Low power consumption: 25mW
Shutdown: 10µW
Offset and gain calibration engine
SYNC input
Analog supply:
Unipolar (+5V) or bipolar (±2.5V)
Digital supply: 1.8V to 3.3V